package main

import "fmt"

func main() {
	const freezingF, boilingF = 32.0, 212.0

	fmt.Printf("freezingF %g", ftoc(freezingF))
	fmt.Printf("boilingF %g", ftoc(boilingF))

}

func ftoc(f float64) float64 {
	return (f - 32) * 5 / 9

}
